Mathematics

Authors and titles for February 2007

[401] arXiv:math/0702251 [pdf, other]

Title: Generalized Wilczynski invariants for non-linear ordinary differential equations

Boris Doubrov

Comments: 18 pages; corrected typos, added reference

Journal-ref: Proceedings of the IMA summer program, Minneapolis, MN, USA, July 17--August 4, 2006. New York, NY: Springer. The IMA Volumes in Mathematics and its Applications 144, 25-40 (2008).

Subjects: Differential Geometry (math.DG); Classical Analysis and ODEs (math.CA)

[402] arXiv:math/0702252 [pdf, other]

Title: Periodicity in the transient regime of exhaustive polling systems

I. M. MacPhee, M. V. Menshikov, S. Popov, S. Volkov

Comments: Published at this http URL in the Annals of Applied Probability (this http URL) by the Institute of Mathematical Statistics (this http URL)

Journal-ref: Annals of Applied Probability 2006, Vol. 16, No. 4, 1816-1850

Subjects: Probability (math.PR)

[403] arXiv:math/0702253 [pdf, other]

Title: Differences of spectral projections and scattering matrix

Alexander Pushnitski

Comments: Latex, 14 pages

Subjects: Spectral Theory (math.SP)

[404] arXiv:math/0702254 [pdf, other]

Title: Singularity Knots of Minimal Surfaces in $\mathbb{R}^4$

Marc Soret, Marina Ville

Subjects: Differential Geometry (math.DG); Geometric Topology (math.GT)

[405] arXiv:math/0702255 [pdf, other]

Title: Existence and uniqueness results for the Gradient Vector Flow and geodesic active contours mixed model

Laurence Guillot (MAPMO), Maïtine Bergounioux (MAPMO)

Comments: 21 pages

Subjects: Analysis of PDEs (math.AP)

[406] arXiv:math/0702256 [pdf, other]

Title: Sample path large deviations for multiclass feedforward queueing networks in critical loading

Kurt Majewski

Comments: Published at this http URL in the Annals of Applied Probability (this http URL) by the Institute of Mathematical Statistics (this http URL)

Journal-ref: Annals of Applied Probability 2006, Vol. 16, No. 4, 1893-1924

Subjects: Probability (math.PR)

[407] arXiv:math/0702257 [pdf, other]

Title: A survey on the K\"ahler-Ricci flow and Yau's uniformization conjecture

Albert Chau, Luen-Fai Tam

Comments: Theorem 4.4 has been improved. Theorem 6.6 has been added

Subjects: Differential Geometry (math.DG); Analysis of PDEs (math.AP)

[408] arXiv:math/0702258 [pdf, other]

Title: Poisson Fibrations and Fibered Symplectic Groupoids

Olivier Brahic, Rui Loja Fernandes

Comments: 18 pages. Proceedings of the Poisson 2006 conference in Tokyo to be published in the AMS Contemporary Mathematics series

Subjects: Differential Geometry (math.DG); Symplectic Geometry (math.SG)

[409] arXiv:math/0702259 [pdf, other]

Title: Discrete Ingham type inequalities with a weakened gap condition

Paola Loreti, Vilmos Komornik

Subjects: Classical Analysis and ODEs (math.CA); Analysis of PDEs (math.AP)

[410] arXiv:math/0702260 [pdf, other]

Title: On the Hausdorff dimension of regular points of inviscid Burgers equation with stable initial data

Thomas Simon (DP)

Subjects: Probability (math.PR)

[411] arXiv:math/0702261 [pdf, other]

Title: A Theoretic Proof of the Four Color Theorem

Yanyou Qiao

Subjects: General Mathematics (math.GM); Combinatorics (math.CO)

[412] arXiv:math/0702262 [pdf, other]

Title: Robin functions and distortion theorems for regular mappings

Vladimir N. Dubinin, Matti Vuorinen

Comments: 21 pages

Subjects: Complex Variables (math.CV)

[413] arXiv:math/0702263 [pdf, other]

Title: Second-Order Elliptic Integro-Differential Equations: Viscosity Solutions' Theory Revisited

Guy Barles (LMPT), Cyril Imbert (I3M)

Journal-ref: Annales de l'Institut Henri Poincar\'e Analyse non lin\'eaire 25, 3 (2008) 567-585

Subjects: Analysis of PDEs (math.AP)

[414] arXiv:math/0702264 [pdf, other]

Title: Duistermaat-Heckman formula for a torus action on a generalized Calabi-Yau manifold and localization formula

Yasufumi Nitta

Comments: 4pages, addendum to "Reduction for generalized Calabi-Yau structures"

Subjects: Differential Geometry (math.DG); Symplectic Geometry (math.SG)

[415] arXiv:math/0702265 [pdf, other]

Title: Polar syzygies in characteristic zero: the monomial case

Isabel Bermejo (Universidad de La Laguna), Philippe Gimenez (Universidad de Valladolid), Aron Simis (Universidade Federal de Pernambuco)

Comments: 33 pages, 15 figures

Journal-ref: J. Pure Appl. Algebra 213 (2009) 1-21

Subjects: Commutative Algebra (math.AC); Algebraic Geometry (math.AG)

[416] arXiv:math/0702266 [pdf, other]

Title: Embeddings of locally finite metric spaces into Banach spaces

Florent Baudier, Gilles Lancien

Comments: 6 pages, to appear in Proceedings of the AMS

Journal-ref: Proc. Amer. Math. Soc. 136 (2008), no. 3, 1029-1033

Subjects: Metric Geometry (math.MG); Functional Analysis (math.FA)

[417] arXiv:math/0702267 [pdf, other]

Title: Enumerating the Classes of Local Equivalency in Graphs

Mohsen Bahramgiri, Salman Beigi

Comments: 22 pages, no figure, more clear presentation and minor errors fixed

Subjects: Combinatorics (math.CO)

[418] arXiv:math/0702268 [pdf, other]

Title: Formal deformations, contractions and moduli spaces of Lie algebras

Alice Fialowski (Eotvos Lorand University, Budapest), Michael Penkava (University of Wisconsin Eau-Claire)

Comments: 27 pages

Subjects: Quantum Algebra (math.QA)

[419] arXiv:math/0702269 [pdf, other]

Title: Schwarz-Pick inequalities for the Schur-Agler class on the polydisk and unit ball

J. Milne Anderson, Michael A. Dritschel, James Rovnyak

Comments: 20 pages

Subjects: Complex Variables (math.CV); Functional Analysis (math.FA)

[420] arXiv:math/0702270 [pdf, other]

Title: A note on spaces of symmetric matrices

Andrea Causin, Gian Pietro Pirola

Comments: 7 pages

Subjects: Algebraic Topology (math.AT); Algebraic Geometry (math.AG); K-Theory and Homology (math.KT)

[421] arXiv:math/0702271 [pdf, other]

Title: Dirac operators on manifolds with periodic ends

Daniel Ruberman, Nikolai Saveliev

Comments: 22 pages. Additional references and acknowledgements added

Subjects: Geometric Topology (math.GT); Differential Geometry (math.DG)

[422] arXiv:math/0702272 [pdf, other]

Title: On the determination of Kazhdan-Lusztig cells in affine Weyl groups with unequal parameters

Jeremie Guilhot

Comments: 22 pages, 2 figures, the revised version contains additional reference and some rewritting. Submitted

Subjects: Representation Theory (math.RT); Rings and Algebras (math.RA)

[423] arXiv:math/0702273 [pdf, other]

Title: Quasi-homomorphisms on mapping class groups

Mladen Bestvina, Koji Fujiwara

Subjects: Group Theory (math.GR); Geometric Topology (math.GT)

[424] arXiv:math/0702274 [pdf, other]

Title: A characterization of higher rank symmetric spaces via bounded cohomology

Mladen Bestvina, Koji Fujiwara

Subjects: Group Theory (math.GR); Geometric Topology (math.GT)

[425] arXiv:math/0702275 [pdf, other]

Title: Remarks on the Zeros of the Associated Legendre Functions with Integral Degree

J.F. van Diejen

Comments: 7 pages, 2 figures

Journal-ref: Acta Applicandae Mathematicae 99 (2007), 293-299

Subjects: Classical Analysis and ODEs (math.CA)

[426] arXiv:math/0702276 [pdf, other]

Title: On the space of oriented geodesics of hyperbolic 3-space

Nikos Georgiou, Brendan Guilfoyle

Comments: 25 pages, AMS-LATEX, 4 figures, Version 2: new references, typos corrected, results on geodesics added

Journal-ref: Rocky Mountain J. Math. 40 (2010) 1183--1219

Subjects: Differential Geometry (math.DG)

[427] arXiv:math/0702277 [pdf, other]

Title: Combinatorial Formulae for Nested Bethe Vectors

Vitaly Tarasov, Alexander Varchenko

Journal-ref: SIGMA 9 (2013), 048, 28 pages

Subjects: Quantum Algebra (math.QA); Mathematical Physics (math-ph); Representation Theory (math.RT)

[428] arXiv:math/0702278 [pdf, other]

Title: Connections on a parabolic principal bundle, II

Indranil Biswas

Comments: Canadian Mathematical Bulletin (to appear)

Subjects: Algebraic Geometry (math.AG)

[429] arXiv:math/0702279 [pdf, other]

Title: Infinitely Often Dense Bases of Integers with a Prescribed Representation Function

Jaewoo Lee

Comments: 8 pages, with new abstract and new introduction

Subjects: Number Theory (math.NT); Combinatorics (math.CO)

[430] arXiv:math/0702280 [pdf, other]

Title: Laurent Polynomials and Superintegrable Maps

Andrew N.W. Hone

Comments: This is a contribution to the Vadim Kuznetsov Memorial Issue on Integrable Systems and Related Topics, published in SIGMA (Symmetry, Integrability and Geometry: Methods and Applications) at this http URL

Journal-ref: SIGMA 3 (2007), 022, 18 pages

Subjects: Number Theory (math.NT); Mathematical Physics (math-ph); Exactly Solvable and Integrable Systems (nlin.SI)

[431] arXiv:math/0702281 [pdf, other]

Title: $\R$-trees and laminations for free groups II: The dual lamination of an $\R$-tree

Thierry Coulbois (LATP), Arnaud Hilion (LATP), Martin Lustig (LATP)

Comments: corrections of typos and minor update

Journal-ref: Proc. of the London Math. Soc. 78 (2008) 737-754

Subjects: Group Theory (math.GR)

[432] arXiv:math/0702282 [pdf, other]

Title: BCR algorithm and the $T(b)$ theorem

Pascal Auscher (LM-Orsay), Qi Xiang Yang

Comments: Change of title. New abstract and new introduction

Subjects: Classical Analysis and ODEs (math.CA)

[433] arXiv:math/0702283 [pdf, other]

Title: A note on the generic initial ideal for complete intersections

Mircea Cimpoeas

Comments: 10 pages

Journal-ref: Bull. Math. Soc. Sci. Math. Roumanie 50(98)(2) (2007), pag. 119-130

Subjects: Commutative Algebra (math.AC)

[434] arXiv:math/0702284 [pdf, other]

Title: Localisation of Geometric Anisotropy

Sofia C. Olhede

Comments: 9 pages, 6 Postscript figures

Subjects: Statistics Theory (math.ST); Functional Analysis (math.FA)

[435] arXiv:math/0702285 [pdf, other]

Title: Correspondences with split polynomial equations

E. Izadi, H. Lange, V. Strehl

Comments: AMS-Latex, 32 pages, minor corrections, computation of dimensions of eigen-abelian varieties added

Subjects: Algebraic Geometry (math.AG); Combinatorics (math.CO)

[436] arXiv:math/0702286 [pdf, other]

Title: Local Models in the ramified case. III. Unitary groups

G. Pappas, M. Rapoport

Comments: 57 pages, 5 figures

Subjects: Algebraic Geometry (math.AG); Number Theory (math.NT)

[437] arXiv:math/0702287 [pdf, other]

Title: On the classification of rank two representations of quasiprojective fundamental groups

Kevin Corlette (1-CHI), Carlos T. Simpson (JAD)

Comments: minor changes in exposition, citations

Subjects: Algebraic Geometry (math.AG)

[438] arXiv:math/0702288 [pdf, other]

Title: Obstruction to lagrangian transversality

Max Karoubi (Universite de Paris, France), Maria Luiza Lapa de Souza (Universidade Federal da Bahia, Brasil)

Comments: 7 pages ; see also this http URL

Journal-ref: Comptes Rendus Acad. Sci. Paris 342, pp. 165-168 (2006)

Subjects: Differential Geometry (math.DG); K-Theory and Homology (math.KT)

[439] arXiv:math/0702289 [pdf, other]

Title: Curvature decomposition of G_2 manifolds

Richard Cleyton, Stefan Ivanov

Comments: LaTeX 2e, 26 pages, 2 tables. Changes in version 2: shortened, reorganized, misprints corrected, several remarks and new introduction. A formula in the proof of Theorem 1.2a has been corrected. Submitted

Subjects: Differential Geometry (math.DG); Mathematical Physics (math-ph)

[440] arXiv:math/0702290 [pdf, other]

Title: Cofibrantly generated natural weak factorisation systems

Richard Garner

Comments: 57 pages

Subjects: Category Theory (math.CT); Algebraic Topology (math.AT)

[441] arXiv:math/0702291 [pdf, other]

Title: Calibrations associated to Monge-Ampere equations

Micah Warren

Comments: 18 pages. typos corrected

Subjects: Analysis of PDEs (math.AP); Differential Geometry (math.DG)

[442] arXiv:math/0702292 [pdf, other]

Title: Dependent theories and the generic pair conjecture

Saharon Shelah

Subjects: Logic (math.LO)

[443] arXiv:math/0702293 [pdf, other]

Title: Test Groups for Whitehead Groups

Paul C. Eklof, Laszlo Fuchs, Saharon Shelah

Subjects: Logic (math.LO); Group Theory (math.GR)

[444] arXiv:math/0702294 [pdf, other]

Title: On kernels of cellular covers

Emmanuel D. Farjoun, Ruediger Goebel, Yoav Segev, Saharon Shelah

Subjects: Group Theory (math.GR); Algebraic Topology (math.AT); Logic (math.LO)

[445] arXiv:math/0702295 [pdf, other]

Title: Lindelof spaces of singular density

Istvan Juhasz, Saharon Shelah

Subjects: Logic (math.LO); General Topology (math.GN)

[446] arXiv:math/0702296 [pdf, other]

Title: Resolvability vs. almost resolvability

Istvan Juhasz, Saharon Shelah, Lajos Soukup

Subjects: General Topology (math.GN); Logic (math.LO)

[447] arXiv:math/0702297 [pdf, other]

Title: Asymptotically Hyperbolic Metrics on Unit Ball Admitting Multiple Horizons

ZhenYang Li, YuGuang Shi, Peng Wu

Comments: 11pages

Journal-ref: Proceedings AMS 136 (2008)

Subjects: Differential Geometry (math.DG); Mathematical Physics (math-ph)

[448] arXiv:math/0702298 [pdf, other]

Title: Notes on two-parameter quantum groups, (I)

Naihong Hu, Yufeng Pei

Comments: 11 pages

Journal-ref: Science in China Series A: Mathematics 51 (6) (2008), 1101--1110

Subjects: Quantum Algebra (math.QA); Representation Theory (math.RT)

[449] arXiv:math/0702299 [pdf, other]

Title: Derived Algebraic Geometry II: Noncommutative Algebra

Jacob Lurie

Comments: 170 pages; corrected some erroneous claims about the category of symmetric spectra, other minor changes. 9/19/07: minor modifications

Subjects: Category Theory (math.CT); Algebraic Topology (math.AT)

[450] arXiv:math/0702300 [pdf, other]

Title: An efficient algorithm for the computation of Bernoulli numbers

Greg Fee, Simon Plouffe

Subjects: Number Theory (math.NT); Classical Analysis and ODEs (math.CA)